Legal claims defining the scope of protection, as filed with the USPTO.
1. A non-transitory machine-readable storage medium having stored thereon machine-readable instructions to cause a processor to: obtain a plurality of images each including an object carrying a user device transmitting a Bluetooth Low Energy (BLE) signal; calculate a plurality of factors including a Mahalanobis distance, a deep feature distance, and an intersection-over-union (IOU) between a first object of the plurality of images and a second object of the plurality of images, each of the plurality of factors having a particular coefficient; determine, based on each of the particular coefficients, that the object matches a different object; and generate, responsive to visual information of the matched objects obtained from the plurality of images, a visual moving pattern such that the visual moving pattern is compared to a BLE moving pattern generated responsive to the BLE signal received from the user device.
2. The medium of claim 1 , further comprising instructions executable to adjust, responsive to visual information of each object, a probability that the object of the first of the plurality of images matches the different object of the second of the plurality of images.
3. The medium of claim 1 , further comprising instructions to adjust, responsive to the matched objects appearing in at least a portion of the plurality of images for more than a threshold quantity of times, the particular coefficients such that each of particular coefficients has a same value.
4. The medium of claim 1 , further comprising instructions executable to adjust, responsive to the matched objects appearing in at least a portion of the plurality of images for less than a threshold quantity of times, the particular coefficient of each of the plurality of factors such that a coefficient of the deep feature distance is greater than a coefficient of the Mahalanobis distance.
5. The medium of claim 4 , further comprising instructions executable to adjust a coefficient of the IOU to zero such that the IOU does not influence the matching.
6. The medium of claim 1 , further comprising instructions executable to assign an initial status to an object that is newly detected and not matched to at least one of the set of objects.
7. The medium of claim 1 , further comprising instructions executable to assign a confirmed status to a set of objects that is determined to be matching to each other when a quantity of the set of objects exceeds a threshold quantity of objects.
8. The medium of claim 1 , further comprising instructions executable to assign an invalid status to a first object responsive to a failure to match the first object to other objects of the plurality of images for a threshold quantity of times.
9. The medium of claim 1 , further comprising instructions executable to assign an invalid status to a set of objects responsive to a determination the set of object are moving out of a plurality of backgrounds corresponding to the plurality of images.
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May 18, 2021
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